git: DragonFly_RELEASE_5_6 ahci - Enforce 10-second poll of chipset

Matthew Dillon dillon at crater.dragonflybsd.org
Thu Jun 27 22:57:01 PDT 2019


commit f2043fca1607e13a4456ad5825ce7b6208f2820f
Author: Matthew Dillon <dillon at apollo.backplane.com>
Date:   Thu Jun 27 22:54:44 2019 -0700

    ahci - Enforce 10-second poll of chipset
    
    * Enforce a poll every 10-seconds when the chipset is idle to try to
      catch any potential lost interrupts.  We have observed a number of
      'impossible' timeouts where the chipset registers indicate command
      completion, which should only be possible if a completion interrupt
      is lost.

Summary of changes:
 sys/dev/disk/ahci/ahci_dragonfly.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f2043fca1607e13a4456ad5825ce7b6208f2820f


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